Better wording for project dropdown

Signed-off-by: NDmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/views/projects/_dropdown.html.haml

@@ -23,11 +23,10 @@
         %li.divider
         %li
           = link_to new_namespace_project_branch_path(@project.namespace, @project) do
-            %i.fa.fa-code-fork
-            Git branch
+            New git branch
         %li
           = link_to new_namespace_project_tag_path(@project.namespace, @project) do
             %i.fa.fa-tag
-            Git tag
+            New git tag